Finding the Third Proportional to 198,073,766 and 434,411,356
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Solution
The third proportional to 198,073,766 and 434,411,356 is: 952,742,152.75
Step by Step Solution
- Step 1: Write the proportion equation
198,073,766 : 434,411,356 = 434,411,356 : x - Step 2: Convert to fraction form
198,073,766/434,411,356 = 434,411,356/x - Step 3: Cross multiply
198,073,766x = 434,411,356 × 434,411,356 - Step 4: Simplify right side
198,073,766x = 188,713,226,221,758,720 - Step 5: Solve for x
x = 188,713,226,221,758,720/198,073,766 - Step 6: Final answer
x = 952,742,152.75
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.